Function nanogui::unproject¶
Defined in File glutil.h
Function Documentation¶
-
Vector3f
nanogui
::
unproject
(const Vector3f &win, const Matrix4f &model, const Matrix4f &proj, const Vector2i &viewportSize)¶ Unprojects the vector
win
out of the specified viewport.The reverse transformation of project use the same matrices and viewport dimensions to easily transition between the two spaces.
- Parameters
win
: The vector being transformed out of “screen space”.model
: The model matrix.proj
: The projection matrix.viewportSize
: The dimensions of the viewport to project out of.